CN105463472A - Water-soluble antirust agent - Google Patents

Water-soluble antirust agent Download PDF

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Publication number
CN105463472A
CN105463472A CN201510893367.5A CN201510893367A CN105463472A CN 105463472 A CN105463472 A CN 105463472A CN 201510893367 A CN201510893367 A CN 201510893367A CN 105463472 A CN105463472 A CN 105463472A
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China
Prior art keywords
acid
water
rust
additive
agent
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Pending
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CN201510893367.5A
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Chinese (zh)
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彭国泉
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Individual
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Priority to CN201510893367.5A priority Critical patent/CN105463472A/en
Publication of CN105463472A publication Critical patent/CN105463472A/en
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/12Oxygen-containing compounds
    • C23F11/124Carboxylic acids
    • C23F11/126Aliphatic acids
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/14Nitrogen-containing compounds
    • C23F11/141Amines; Quaternary ammonium compounds
    • C23F11/142Hydroxy amines

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention provides a water-soluble antirust agent. The water-soluble antirust agent is prepared from fatty acid, specific amine, an additive, ethyl alcohol and water. The mass ratio of the fatty acid to the alcohol amine to the additive to the ethyl alcohol to the water is (2-3):(1-15):(5-10):(10-15):(80-100). The fatty acid is selected from one or more of oxalic acid, valeric acid, naphthenic acid, citric acid, benzoic acid, lauric acid, adipic acid, oleic acid and sebacic acid, the apecific amine is selected from one or more of octanoic acid dicyclohexylamine, triethanolamine, diethanol amine and ethanol amine, and the additive is an antioxidant. The antirust valid period of the water-soluble antirust agent is long and can reach 3-6 months; an antirust film is thin and is only tens of microns thick, a follow-up process cannot be influenced even though the antirust film is not removed, and the film can be removed with warm water due to the good film removability of the water-soluble antirust agent; and the water-soluble antirust agent is low in production cost, free of foreign smells and beneficial to environmental protection.

Description

A kind of water soluble anti-rust agent
Technical field
The present invention relates to rust-preventive agent field, be specifically related to a kind of water soluble anti-rust agent.
Background technology
Metal between production process and finished product seal up for safekeeping, for preventing surface corrosion, must carry out without application antirust treatment, such as surface apply rust-preventive agent.Prior art metallic surface is antirust, and comparatively early using has the good slushing oil of rust-proof effect, forms protective oil film by slushing oil in metallic surface, and isolated water in air vapour is to corrosion of metal, thus it is antirust to reach the long period.But use slushing oil, not only need to consume a large amount of oil plant raw materials, exacerbate energy consumption, and in following process (such as weld, paint, electroplate, assemble) and unpacking, all need to clean oil removing, not only produce the discharge of a large amount of cleaning oily waste liquor, cause the pollution to environment, and cleaning oil removing is time-consuming, also can increase cost.Slushing oil drawback manifests gradually, and its cost is higher, and environmental pollution is comparatively serious, and later stage liquid waste disposal difficulty, brings inconvenience to use.
Summary of the invention
The object of the invention is the deficiency overcoming above-mentioned prior art; a kind of anti-rust film that can not only form good antirust property in metallic surface is provided; antirust validity period is long, can reach 3-6 month, and antirust rete is thin; only tens microns; do not remove and also can not affect subsequent technique, and striping is good, warm water can move back the water soluble anti-rust agent of film; production cost is low, free from extraneous odour, and is beneficial to protection of the environment.
Particularly, the invention provides a kind of water soluble anti-rust agent, it comprises lipid acid, certain amines, additive, ethanol and water, the weight ratio of described lipid acid, hydramine, additive, second alcohol and water is: 2-3: 1-15: 5-10: 10-15: 80-100, described lipid acid be selected from oxalic acid, valeric acid, naphthenic acid, citric acid, phenylformic acid, lauric acid, hexanodioic acid, oleic acid, sebacic acid one or more, described certain amines be selected from sad dicyclohexyl amine, trolamine, diethanolamine, thanomin one or more, described additive is oxidation inhibitor.
Preferably, it comprises oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor, second alcohol and water, and the weight ratio of oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor, second alcohol and water is: 2-3: 10-15: 4-8: 5-6: 10-15: 80-100.
Preferably, described water soluble anti-rust agent also comprises tensio-active agent.
Preferably, the present invention also provides a kind of preparation method of water soluble anti-rust agent, and it comprises the following steps:
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water and mixes, and be heated to 90-110 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add ethanol mix and blend certain hour, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 1-2h, add water and obtain the rust-preventive agent aqueous solution.
Preferably, in S2, stirring velocity is 80-120 rev/min, and churning time is 2-3h.
According to the water-soluble metal antirusting agent of the embodiment of the present invention, to human body fanout free region, both saved the energy, and reached again the requirement of environmental protection, preparation technology is simple, can be attached to metallic surface, make water-soluble metal antirusting agent have better resistance to abrasion and rustproof property.Antirust validity period is long, and can reach 3-6 month, and antirust rete is thin, only tens microns, do not remove and also can not affect subsequent technique, and striping is good, warm water can move back the water soluble anti-rust agent of film, and production cost is low, free from extraneous odour, and is beneficial to protection of the environment.
Embodiment
Below in conjunction with specific embodiment, the present invention is further explained:
The invention provides a kind of water soluble anti-rust agent, it comprises lipid acid, certain amines, additive, ethanol and water, and it is complete transparent liquid, not containing dangerous dangerous product.The selection of the lipid acid in the present invention no requirement (NR), conveniently be selected from oxalic acid, valeric acid, naphthenic acid, citric acid, phenylformic acid, lauric acid, hexanodioic acid, oleic acid, sebacic acid one or more, described certain amines be selected from sad dicyclohexyl amine, trolamine, diethanolamine, thanomin one or more, described additive is oxidation inhibitor.
The weight ratio of described lipid acid, hydramine, additive, second alcohol and water is: 2-3: 1-15: 5-10: 10-15: 80-100, and this kind of ratio is in order to better reaction.
Preferably, it comprises oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor, second alcohol and water, and the weight ratio of oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor, second alcohol and water is: 2-3: 10-15: 4-8: 5-6: 10-15: 80-100.Under this ratio, reaction is best, and the effect of the rust-preventive agent of preparation is best.In use, be added in product with the ratio of 10%-30%.
Preferably, water soluble anti-rust agent also comprises tensio-active agent, and tensio-active agent is water-soluble active agent, and the ratio of itself and rust-preventive agent is generally 4: 1, and deposit in case at tensio-active agent, the rust-proof effect of rust-preventive agent is better.
Embodiment one
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water mix with the ratio of 2: 10: 8: 5, and be heated to 100 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add the speed that ethanol mixing is also 80 revs/min with stirring velocity and stir 2h, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 2h, add water and obtain the rust-preventive agent aqueous solution.
Embodiment two
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water mix with the ratio of 2: 15: 8: 5, and be heated to 100 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add the speed that ethanol mixing is also 80 revs/min with stirring velocity and stir 2h, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 2h, add water and obtain the rust-preventive agent aqueous solution.
Embodiment three
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water mix with the ratio of 3: 15: 8: 5, and be heated to 90-110 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add the speed that ethanol mixing is also 80 revs/min with stirring velocity and stir 2h, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 2h, add water and obtain the rust-preventive agent aqueous solution.
Embodiment four
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water mix with the ratio of 3: 12: 5: 6, and be heated to 90-110 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add the speed that ethanol mixing is also 80 revs/min with stirring velocity and stir 2h, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 2h, add water and obtain the rust-preventive agent aqueous solution.
Embodiment five
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water mix with the ratio of 2: 12: 6: 5, and be heated to 90-110 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add the speed that ethanol mixing is also 80 revs/min with stirring velocity and stir 2h, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 2h, add water and obtain the rust-preventive agent aqueous solution.
1, above-mentioned rust-preventive agent is applied in iron plate surface, iron sheet is placed in air and iron sheet surface was tested in 90 days, obtain surface energy modal data table.
Element Percent mass hundred (Wt%) Atomicity percentage composition (At%)
C 02.91 14.58
O 01.76 04.92
Fe 95.33 80.50
Learn through contrast, consistent with the surface energy modal data of the most initial iron plate.
2, Example formulations table (weight ratio)
Antirust number of days is be dipped in the sodium chloride solution of 3% by the iron sheet being coated with rust-preventive agent, observes it and antirustly to draw.
According to the water-soluble metal antirusting agent of the embodiment of the present invention, to human body fanout free region, both saved the energy, and reached again the requirement of environmental protection, preparation technology is simple, can be attached to metallic surface, make water-soluble metal antirusting agent have better resistance to abrasion and rustproof property.Antirust validity period is long, and can reach 3-6 month, and antirust rete is thin, only tens microns, do not remove and also can not affect subsequent technique, and striping is good, warm water can move back the water soluble anti-rust agent of film, and production cost is low, free from extraneous odour, and is beneficial to protection of the environment.
Last it is noted that above-described each embodiment is only for illustration of technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or to wherein partly or entirely technical characteristic carry out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (5)

1. a water soluble anti-rust agent, it is characterized in that: it comprises lipid acid, certain amines, additive, ethanol and water, the weight ratio of described lipid acid, hydramine, additive, second alcohol and water is: 2-3: 1-15: 5-10: 10-15: 80-100, described lipid acid be selected from oxalic acid, valeric acid, naphthenic acid, citric acid, phenylformic acid, lauric acid, hexanodioic acid, oleic acid, sebacic acid one or more, described certain amines be selected from sad dicyclohexyl amine, trolamine, diethanolamine, thanomin one or more, described additive is oxidation inhibitor.
2. water soluble anti-rust agent according to claim 1, it is characterized in that: it comprises oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor, second alcohol and water, the weight ratio of oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor, second alcohol and water is: 2-3: 10-15: 4-8: 5-6: 10-15: 80-100.
3. water soluble anti-rust agent according to claim 1 and 2, is characterized in that: described water soluble anti-rust agent also comprises tensio-active agent.
4. a preparation method for the water soluble anti-rust agent described in claim 1 or 2, is characterized in that: it comprises the following steps:
S1, oxalic acid, sad dicyclohexyl amine, diethanolamine, oxidation inhibitor are added a small amount of water and mixes, and be heated to 90-110 degree and react completely, obtain transparence mixed liquor A;
S2, the mixed liquor A obtained in S1 is cooled after add ethanol, regulate PH to 8-9, continue to add ethanol mix and blend certain hour, each composition in S1 is fully dissolved, obtains mixed liquid B;
Add tensio-active agent in S3, the mixed liquid B that obtains in S2, and after reacting 1-2h, add water and obtain the rust-preventive agent aqueous solution.
5. the preparation method of water soluble anti-rust agent according to claim 4, is characterized in that: in S2, stirring velocity is 80-120 rev/min, and churning time is 2-3h.
CN201510893367.5A 2015-12-08 2015-12-08 Water-soluble antirust agent Pending CN105463472A (en)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106283014A (en) * 2016-10-13 2017-01-04 中南大学 A kind of chrome-free tanning agent and its preparation method and application
CN106554844A (en) * 2016-11-03 2017-04-05 金福英 A kind of water soluble anti-rust agent and preparation method thereof
CN107164060A (en) * 2017-06-30 2017-09-15 合肥博创机械制造有限公司 A kind of preparation method of rust remover for plant equipment
WO2018006272A1 (en) * 2016-07-05 2018-01-11 深圳市恒兆智科技有限公司 Corrosion inhibitor, and metal workpiece and anti-corrosion treatment method thereof
CN107723716A (en) * 2017-10-17 2018-02-23 黄彬彬 A kind of preparation method of rust remover
CN111809186A (en) * 2020-05-29 2020-10-23 烟台康恩环保科技有限公司 Closing agent and preparation method and application thereof
CN113862073A (en) * 2021-10-29 2021-12-31 重庆德蒙特科技发展有限公司 Long-acting water-based antirust agent

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102776052A (en) * 2012-05-14 2012-11-14 清华大学 Water-soluble metal antirusting agent and preparation method thereof
CN103122460A (en) * 2011-11-18 2013-05-29 维希艾防锈新材料(上海)有限公司 Novel formula and preparation process for vci environment-friendly water-soluble antirust agent
CN103695931A (en) * 2013-11-29 2014-04-02 明光市留香泵业有限公司 Water-soluble metal short-term antirust liquid and preparation method thereof
CN103695913A (en) * 2013-11-29 2014-04-02 明光市留香泵业有限公司 Water-soluble ferrous metal antirust liquid and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122460A (en) * 2011-11-18 2013-05-29 维希艾防锈新材料(上海)有限公司 Novel formula and preparation process for vci environment-friendly water-soluble antirust agent
CN102776052A (en) * 2012-05-14 2012-11-14 清华大学 Water-soluble metal antirusting agent and preparation method thereof
CN103695931A (en) * 2013-11-29 2014-04-02 明光市留香泵业有限公司 Water-soluble metal short-term antirust liquid and preparation method thereof
CN103695913A (en) * 2013-11-29 2014-04-02 明光市留香泵业有限公司 Water-soluble ferrous metal antirust liquid and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018006272A1 (en) * 2016-07-05 2018-01-11 深圳市恒兆智科技有限公司 Corrosion inhibitor, and metal workpiece and anti-corrosion treatment method thereof
CN106283014A (en) * 2016-10-13 2017-01-04 中南大学 A kind of chrome-free tanning agent and its preparation method and application
CN106283014B (en) * 2016-10-13 2019-06-07 中南大学 A kind of chrome-free tanning agent and its preparation method and application
CN106554844A (en) * 2016-11-03 2017-04-05 金福英 A kind of water soluble anti-rust agent and preparation method thereof
CN107164060A (en) * 2017-06-30 2017-09-15 合肥博创机械制造有限公司 A kind of preparation method of rust remover for plant equipment
CN107723716A (en) * 2017-10-17 2018-02-23 黄彬彬 A kind of preparation method of rust remover
CN111809186A (en) * 2020-05-29 2020-10-23 烟台康恩环保科技有限公司 Closing agent and preparation method and application thereof
CN113862073A (en) * 2021-10-29 2021-12-31 重庆德蒙特科技发展有限公司 Long-acting water-based antirust agent
CN113862073B (en) * 2021-10-29 2023-02-14 重庆德蒙特科技发展有限公司 Long-acting water-based antirust agent

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